/**
 * A string to JSON codec.
 *
 * @returns A string to JSON codec.
 */
export declare const stringToJson: () => import("zod").ZodCodec<import("zod/v4/core").$ZodBranded<import("zod").ZodString, "JsonString">, import("zod").ZodType<import("../json/json.js").Json, unknown, import("zod/v4/core").$ZodTypeInternals<import("../json/json.js").Json, unknown>>>;